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anonymous
 one year ago
Calculate a 450,000 kg satellite in a circular orbit around the earth at a height of 413,000 meters above the surface of earth.
a) Name all the forces acting on the satellite
b) Calculate the force acting on the satellite (would I use the same equation)
c) The satellite is moving in a circle. What is the amount of centripetal force acting on it?
d) Use answer (c) to determine the speed of the satellite.
e) Use your answer (d) to determine the period of the satellite.
Last thing I wasnt here for when we did this during class, so I'm absolutely clueless :p, much help appreciated!
anonymous
 one year ago
Calculate a 450,000 kg satellite in a circular orbit around the earth at a height of 413,000 meters above the surface of earth. a) Name all the forces acting on the satellite b) Calculate the force acting on the satellite (would I use the same equation) c) The satellite is moving in a circle. What is the amount of centripetal force acting on it? d) Use answer (c) to determine the speed of the satellite. e) Use your answer (d) to determine the period of the satellite. Last thing I wasnt here for when we did this during class, so I'm absolutely clueless :p, much help appreciated!

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JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.1The only force on a satellite is the gravitational force. http://www.physicsclassroom.com/Class/circles/U6L4b.cfm

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.1And yes, you would use the same equation.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Ok thanks also I know the first two now, but how would you do c,d, and e?

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.1\[F _{c}=ma _{c}\]

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.1We have the centripetal force and mass. :)

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.1\[a _{c}=\frac{ v ^{2} }{ r }\]

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.1\[v=\frac{ 2 \pi r }{ T }\]

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.1Got all that?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yea, but what do you mean we have the centripetal force? I got the equations down, besides the period one, whats equation to find period?

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.1The centripetal force is the force of gravitation from the earth.

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.1The equation to find period is the last one I gave (period is T)

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.1By the way, this is a really helpful resource: http://www.erikthered.com/tutor/factsandformulas3ref.pdf

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Omg, thank you very very much for the helpful tips that I can now use to figure it out, and I really appreciate providing me that resource, I'll definitely use it!

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.1You are very welcome! :)
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